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On Tue, Jun 30, 2009 at 2:06 PM, Al Puzzuoli<[log in to unmask]> wrote: > I'm troubleshooting an issue for a user who keeps losing the ability to > connect to our exchange server. The server keeps throwing Event 9646: > Mapi session "/O=MSU/OU=RCPD/cn=Recipients/cn=user" exceeded the maximum > of 32 objects of type "session". Are these IMAP clients or outlook clients? Some IMAP clients will spawn multiple connections to offer an improved user experience because it is invalid to run certain sets of IMAP commands at the same time; and other commands are not pipeline-able. > > > > I suspect what we're dealing with is a flaky connection to the network. > She keeps disconnecting, reconnecting and after 32 attempts, the server > just gets fed up and says "enough!" So far, the only ways I have found > to make the server forgive and forget are either to reboot it, or just > wait a long time, obviously not ideal solutions. > > My main question though is that while troubleshooting this, I looked at > logons for all users under System Manager. I found that all of my > users are showing multiple logons, usually ranging between 3 to 5. In > the case of the user mentioned above, 32, and the user in the office > next to her had 12. I wonder if I'm dealing with more of a widespread > network issue than just one person? > > How many concurrent logons should a single user have under normal > circumstances? > > Thanks, > > Al >